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Finding the Fourth Proportional to 103,584.48, 143,487.96 and 101,484.96

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Solution

The fourth proportional to 103,584.48, 143,487.96 and 101,484.96 is: 140,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,584.48 : 143,487.96 = 101,484.96 : x
  2. Step 2: Convert to fraction form
    103,584.48/143,487.96 = 101,484.96/x
  3. Step 3: Cross multiply
    103,584.48x = 143,487.96 × 101,484.96
  4. Step 4: Simplify right side
    103,584.48x = 14,561,869,881.08
  5. Step 5: Solve for x
    x = 14,561,869,881.08/103,584.48
  6. Step 6: Final answer
    x = 140,579.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.